مَاءٌ بَجْسٌ

Water having a way, passage, vent, or channel, opened for it to flow forth; having a vent; or pouring forth: (K:) and in like manner, سَحَابٌ بَجْسٌ [clouds pouring forth rain]; (TA;) and [so] سَحَايءِبُ بُجَّسٌ [plural of ↓ بَاجِسٌ and بَاجِسَةٌ]: (S:) and ↓ مَاءٌ بَجِيسٌ flowing water: (Kr, TA:) and ↓ عَيْنٌ بَجِيسٌ a copious spring. (K, * TA.)